The Levoit Core 400S Smart Air Purifier, a top-rated choice, is currently 17% off on Amazon. Priced at $183, down from $220, this deal matches its Prime Day offering. The purifier excels with its user-friendly controls, quiet operation, and effective performance, capable of cleaning spaces up to 1,733 square feet in an hour. Filter replacement is also affordable and straightforward. An auto mode ensures consistent air quality maintenance. This is an opportune time to invest in air purification, especially during allergy season.